#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (c) 2015 Baidu, Inc. All Rights Reserved.

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

#

"""
Script definition

File: extract_values.py
Author: Wang, Cong(bigflow-opensource@baidu.com)
Date: 3/26/15 2:09 AM
"""
from bigflow import ptable


def extract_values(pvalue):
    if not isinstance(pvalue, ptable.PTable):
        raise ValueError("Invalid arguments: pvalue must be of type PTable")

    return pvalue.flatten_values()

